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Finding the Fourth Proportional to 98,238.55, 147,364.30 and 35,952.79

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Solution

The fourth proportional to 98,238.55, 147,364.30 and 35,952.79 is: 53,931.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,238.55 : 147,364.30 = 35,952.79 : x
  2. Step 2: Convert to fraction form
    98,238.55/147,364.30 = 35,952.79/x
  3. Step 3: Cross multiply
    98,238.55x = 147,364.30 × 35,952.79
  4. Step 4: Simplify right side
    98,238.55x = 5,298,157,731.40
  5. Step 5: Solve for x
    x = 5,298,157,731.40/98,238.55
  6. Step 6: Final answer
    x = 53,931.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.